.group_hero {
    background: url(../img/about/group_hero.png) no-repeat;
    width: 100%;
    height: 372px;
    min-width: 1200px;
    background-position: center;
}

.text_hero_title {
    height: 50px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 36px;
    font-family: PingFangSC-Medium;
    font-weight: 500;
    white-space: nowrap;
    line-height: 50px;
    margin: 151px 0 0 0;
}

.text_hero_subtitle {
    height: 22px;
    overflow-wrap: break-word;
    color: rgba(255, 255, 255, 1);
    font-size: 16px;
    font-family: PingFangSC-Medium;
    font-weight: 500;
    white-space: nowrap;
    line-height: 22px;
    margin: 16px 0 0 0;
}

.block-anchor_nav {
    position: relative;
    margin-top: -32px;
    font-size: 0;
}

.box-anchor_nav {
    width: 20%;
    /* background-color: rgba(255, 255, 255, 1); */
    height: 64px;
    text-align: center;
    line-height: 64px;
    position: relative;
}

.box-anchor_nav.active {
    height: 64px;

    /* background: url(https://lanhu-oss.lanhuapp.com/SketchPng756c6a6dcf92da8bd838a069e50670e9de28707beeb637c14cb66a05c11987a2) 100% no-repeat; */
    /* background-size: 100% 100%; */
    position: relative;
    top: -10px;
    left: 3px;
    z-index: 9;
}

.box-anchor_nav.active::before {
    content: "";
    width: 5px;
    display: block;
    border-left: 25px solid transparent;
    border-right: 0 solid transparent;
    border-top: 0px solid transparent;
    border-bottom: 64px solid #1a2c9e;
    position: absolute;
    left: -25px;
    top: 0px;
}

.box-anchor_nav.active::after {
    content: "";
    width: 5px;
    display: block;
    border-right: 25px solid transparent;
    border-left: 0 solid transparent;
    border-bottom: 0px solid transparent;
    border-top: 64px solid #1a2c9e;
    position: absolute;
    right: -25px;
    top: 0px;
}

.box-anchor_nav.active .text_anchor_nav {
    color: rgba(255, 255, 255, 1);
    background-color: #1a2c9e;
    font-size: 18px;
    font-family: PingFangSC-Medium;
    font-weight: 500;
}

.box-anchor_nav::after {
    content: "";
    width: 5px;
    display: block;
    border-right: 25px solid transparent;
    border-left: 0 solid transparent;
    border-bottom: 0px solid transparent;
    border-top: 64px solid #fff;
    position: absolute;
    right: -25px;
    top: 0px;
}

.box-anchor_nav::before {
    content: "";
    width: 5px;
    display: block;
    border-left: 25px solid transparent;
    border-right: 0 solid transparent;
    border-top: 0px solid transparent;
    border-bottom: 64px solid #fff;
    position: absolute;
    left: -25px;
    top: 0px;
}

.box-anchor_nav:nth-last-of-type(1)::after {
    content: "";
    width: 5px;
    display: none;
}

.box-anchor_nav:nth-of-type(1)::before {
    content: "";
    width: 5px;
    display: none;
}

.text_anchor_nav {
    overflow-wrap: break-word;
    color: rgba(40, 40, 40, 1);
    font-size: 16px;
    font-family: PingFangSC-Regular;
    font-weight: normal;
    white-space: nowrap;
    background-color: rgba(255, 255, 255, 1);
}


.group_intro {
    background: url(../img/about/group_intro.png) no-repeat;
    width: 100%;
    min-width: 1200px;
    padding-top: 112px;
    padding-bottom: 158px;
    background-size: cover;
    margin-top: -32px;
}


.text_intro_title {
    font-weight: 500;
    font-size: 36px;
    color: #1A2C9E;
    line-height: 50px;
}

.text_intro_subtitle {
    font-weight: 500;
    font-size: 24px;
    color: #282828;
    line-height: 33px;
}

.text_intro_item {
    font-weight: 500;
    font-size: 16px;
    color: #1A2C9E;
    line-height: 22px;
}

.text_intro_subitem {
    font-weight: 400;
    font-size: 14px;
    color: #000000;
    line-height: 20px;
}

.icon_item_arrow {
    width: 19px;
    height: 18px;
    background: url(../img/about/icon_item_arrow.svg) no-repeat;
}

.group_culture {
    background: url(../img/about/group_culture.png) no-repeat;
    width: 100%;
    background-position: center;
    min-width: 1200px;  
    background-size: cover;
}


.culture_image_item {
    width: 285px;
    height: 350px;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: end;
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.culture_image_item:hover::after{
    transform: scale(1.1);
    transition: all 0.3s ease;
}
.culture_image_item::after{ 
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background-size: 100% 100%;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
    transition: all 0.3s ease;

}

.culture_image_item > div {
    z-index: 9;
}
.culture_image_item[data-index="1"]::after{
    background-image: url(../img/about/culture_image_item_1.png);
}

.culture_image_item[data-index="2"]::after{
    background-image: url(../img/about/culture_image_item_2.png);
}

.culture_image_item[data-index="3"]::after{
    background-image: url(../img/about/culture_image_item_3.png);
}

.culture_image_item[data-index="4"]::after{
    background-image: url(../img/about/culture_image_item_4.png);
}

.text_culture_revert {
    font-weight: 500;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 22px;
}

.text_culture_revert_sub {
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 22px;
}

.text_intro_title_revert {
    font-weight: 500;
    font-size: 36px;
    color: #FFFFFF;
    line-height: 50px;
}

.text_intro_item_revert {
    font-weight: 500;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 22px;
}

.text_intro_subitem_revert {
    font-weight: 400;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 20px;
}

.group_strategy {
    background: url(../img/about/group_strategy.png) no-repeat;
    background-size: cover;
    position: relative;
    width: 100%;
    height: 600px;
    min-width: 1200px;
}

.box_strategy {
    width: 600px;
    position: absolute;
    left: 50%;
    top: 80px;
}

.group_build {
    background: url(../img/about/group_build_bg.png) no-repeat;
    background-size: cover;
    position: relative;
    width: 100%;
    min-width: 1200px;
}

.text_build_title {
    font-weight: 500;
    font-size: 36px;
    color: #99070A;
    line-height: 50px;
}

.text_build_subitem {
    font-weight: 500;
    font-size: 24px;
    color: #282828;
    line-height: 33px;
}

.build_image_item {
    width: calc((100% - 80px) / 5);
    height: 240px;
    background: linear-gradient(132deg, #FFFFFF 0%, #FDE9D3 100%);
    box-shadow: 0px -4px 0px 0px #F0503A, 0px 5px 10px -5px rgba(51, 0, 0, 0.1);
    border: 1px solid #FFE4E0;
    position: relative;
}
.build_image_item::after {
    content: "";
    display: block;
    width: 106px;
    height: 106px;
    background: url(../img/about/emblem.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    right: 10px;
    bottom: 10px;
    opacity: 0;
    transition: all 0.3s ease;
}
.build_image_item:hover::after {
    transition: all 0.3s ease;
    opacity: 1;
}

.text_build_card_title {
    font-weight: 500;
    font-size: 16px;
    color: #B20E15;
    line-height: 22px;
}

.text_build_card_subtitle {
    font-weight: 400;
    font-size: 14px;
    color: #282828;
    line-height: 20px;
}

.group_home {
    background: url(../img/about/group_home_bg.png) no-repeat;
    background-size: cover;
    position: relative;
    width: 100%;
    min-width: 1200px;
    background-position: center;
}

.text_home_title {
    font-weight: 500;
    font-size: 36px;
    color: #FFFFFF;
    line-height: 50px;
}

.tab-list {
    display: flex;
    align-items: center;
    justify-content: start;

}

.tab-item {
    font-weight: 400;
    font-size: 14px;
    color: #000000;
    height: 50px;
    line-height: 55px;
    padding-left: 20px;
    padding-right: 20px;
    position: relative;
}

.tab-item.active .tab-item_text {
    font-weight: 500;
    font-size: 16px;
    color: #000000;
}

.tab-item.active .tab-item_bar {
    display: block;
    width: 34px;
    height: 3px;
    background: #1A2C9E;
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-17px);
}

.text_home_tab_title {
    font-weight: 500;
    font-size: 16px;
    color: #282828;
    line-height: 22px;
    padding-left: 12px;
}

.text_home_tab_title::before {
    content: "";
    display: block;
    width: 6px;
    height: 6px;
    background: #CFD5FF;
    border-radius: 50%;
    position: absolute;
    left: -1px;
    top: 50%;
    transform: translateY(-4px);
}

.text_home_tab_subtitle {
    font-weight: 400;
    font-size: 14px;
    color: #000000;
    line-height: 20px;
}

.icon-play {
    display: block;
    width: 30px;
    height: 30px;
    background: url(../img/about/icon-play.svg) no-repeat;
    position: absolute;
    left: 50%;
    top: calc(50% - 15px);
    transform: translate(-50%, -50%);
}